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84 lines
2.6 KiB
Go
84 lines
2.6 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package informers
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import (
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"reflect"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/watch"
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batch "k8s.io/kubernetes/pkg/apis/batch/v1"
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"k8s.io/kubernetes/pkg/client/cache"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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batchv1listers "k8s.io/kubernetes/pkg/client/listers/batch/v1"
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)
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// JobInformer is type of SharedIndexInformer which watches and lists all jobs.
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// Interface provides constructor for informer and lister for jobs
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type JobInformer interface {
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Informer() cache.SharedIndexInformer
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Lister() batchv1listers.JobLister
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}
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type jobInformer struct {
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*sharedInformerFactory
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}
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// Informer checks whether jobInformer exists in sharedInformerFactory and if not, it creates new informer of type
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// jobInformer and connects it to sharedInformerFactory
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func (f *jobInformer) Informer() cache.SharedIndexInformer {
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f.lock.Lock()
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defer f.lock.Unlock()
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informerType := reflect.TypeOf(&batch.Job{})
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informer, exists := f.informers[informerType]
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if exists {
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return informer
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}
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informer = NewJobInformer(f.client, f.defaultResync)
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f.informers[informerType] = informer
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return informer
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}
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// NewJobInformer returns a SharedIndexInformer that lists and watches all jobs
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func NewJobInformer(client clientset.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
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sharedIndexInformer := cache.NewSharedIndexInformer(
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&cache.ListWatch{
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ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
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return client.Batch().Jobs(metav1.NamespaceAll).List(options)
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},
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WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
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return client.Batch().Jobs(metav1.NamespaceAll).Watch(options)
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},
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},
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&batch.Job{},
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resyncPeriod,
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cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc},
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)
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return sharedIndexInformer
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}
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// Lister returns lister for jobInformer
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func (f *jobInformer) Lister() batchv1listers.JobLister {
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informer := f.Informer()
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return batchv1listers.NewJobLister(informer.GetIndexer())
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}
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